code: def make_random_array(size):
      return np.random.randn(size, size)
  
file_path: nipype/nipype/interfaces/utility/tests/test_wrappers.py
imports: import os
  import pytest
  from nipype.interfaces import utility
  import nipype.pipeline.engine
label_desc: Use image node_id 2 for calling a global function with example usage: make_random_array(size) and returns: np